Practice CPSP FCPS I Surgery Allied questions with answers and explanations.
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Proton-pump inhibitor is a drug that irreversibly suppresses the gastric hydrogen-potassium ATPase.
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Naloxone is a competitive opioid receptor antagonist used to reverse opioid toxicity.
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Atropine is a muscarinic receptor antagonist that can increase heart rate and reduce secretions.
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Warfarin is an oral anticoagulant that inhibits vitamin-K dependent clotting factor synthesis.
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Insulin is a peptide hormone drug used to lower blood glucose and treat insulin deficiency.
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Aminoglycoside is an antibiotic class associated with nephrotoxicity and ototoxicity.
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Adverse drug reaction is a harmful and unintended response to a medicine used at normal doses.
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Haemorrhagic shock is circulatory failure caused by acute blood loss and inadequate tissue perfusion.
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Agonist is a ligand that binds to a receptor and activates it to produce a biological response.
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Tension pneumothorax is progressive pressurised pleural air causing respiratory compromise and obstructive shock.
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Competitive antagonist is a reversible receptor blocker whose effect can be overcome by increasing agonist concentration.
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First-pass metabolism is presystemic metabolism that reduces oral bioavailability before a drug reaches systemic circulation.
